    html,
    body,
    #root {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    
    * {
        margin: 0;
        padding: 0;
        list-style: none;
        box-sizing: border-box;
    }
    
    .main {
        flex: 1;
        overflow-y: scroll;
    }